甚至连 ALSA 都不能aplay
正常工作,似乎有no soundcards
(虽然这是一台笔记本电脑),alsamixer 无法打开,pulse 只有虚拟输出,我现在很担心。我有一种感觉http://alsa-project.org/db/?f=6e811dfc5729d266a1931a7e9c5b7bec57118312可能会有用。
我使用的是 Linux 内核版本 5.3.0-41-generic 和 Ubuntu 19.10,我真的不知道有什么变化,因为这只是一个常规的软件包升级,我没有太注意它。
sudo lspci
:
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #4 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point LPC Controller/eSPI Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Multimedia audio controller: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
它看到一个多媒体音频控制器。
到底出了什么问题!
答案1
这是内核的错误。
刚刚使用 5.3.0-41-generic 启动。声音现在又可以正常工作了。我想,这个故事的寓意是:当你进行更新时,如果出现问题,那么可能是内核的问题!